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Docker for Mac with Kubernetes

docs.docker.com

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Re: Docker for Mac with Kubernetes

#61

Post by tedmiston »

linkmotif wrote: post #55

So confused by all the posts from people who say they run Swarm because kubernetes is too complicated or is only for huge deployments. I’ve had all sort of difficulties installing Docker. By hand it’s not trivial to get a secure install. Docker machine is great except it’s often broken. The Docker machine dev team is a tired, understaffed bunch that’s always playing a sisyphean whack-a-mole against dozens of cloud pr…

Do you really find k8s useful for a single node deployment or were you just making an example?

I haven't used but I have used DC/OS, Mesos, and Marathon extensively, which is not a setup I'd do for a small number of nodes personally.

Re: Docker for Mac with Kubernetes

#62

Post by jsjohnst »

kuschku wrote: post #58
jsjohnst wrote: post #57

Earlier quoted context omitted.

> Commonly you use PXE to avoid having these locally. I’ve not seen PXE used anywhere that the DC wasn’t O&O (or essentially close to it). As that’s the exception to the rule these days, isn’t your premise a bit cavalier? I’ve used PXE a lot in my past [0] to great benefit (well, more specifically iPXE through chainloading), so I’m not detracting from it, just saying it’s applicability is limited for most folks. [0]…

Using PXE (or, rather, iPXE) is the recommended deploy mode for container linux, that's why I mentioned it.

> Using PXE (or, rather, iPXE) is the recommended deploy mode for container linux

Really? Is that a new thing? I don’t remember that last time I was reading the docs, but maybe I missed it (that it’s the “preferred” method rather than being just “an option”).

Seems rather odd to limit your audience like that in the age of “cloud everything” as I think it’s generally more rare that folks fully control their layer 2, but what do I know. :)

Re: Docker for Mac with Kubernetes

#63

Post by tedmiston »

dominotw wrote: post #60
linkmotif wrote: post #55

So confused by all the posts from people who say they run Swarm because kubernetes is too complicated or is only for huge deployments. I’ve had all sort of difficulties installing Docker. By hand it’s not trivial to get a secure install. Docker machine is great except it’s often broken. The Docker machine dev team is a tired, understaffed bunch that’s always playing a sisyphean whack-a-mole against dozens of cloud pr…

GKE=Google cloud? I don't understand ur comment, yea using something in preinstalled in the cloud is easier than installing something on your own.

GKE = Google Kubernetes Engine (aka Google Container Engine for Kubernetes on Google Cloud Platform)

https://cloud.google.com/kubernetes-engine/

Re: Docker for Mac with Kubernetes

#64

Post by dominotw »

zygimantasdev wrote: post #36
justincormack wrote: post #18

Earlier quoted context omitted.

It is usable for the vast majority of users. If it is causing an issue please file a detailed bug report, with diagnostic ID, also try the Edge releases, and give some information about what you are actually running, for example how to replicate it. Most of the bug reports in that thread are totally unhelpful. Quite likely it is not even the same cause for different people, as some people said it was fixed on Edge wh…

Are you sure it works for vast majority of users? At least in my developers circle who use macOS for web* development - all of them have issues with docker high cpu usage due IO. Some use docker-sync to go around the issue. As for bug reports - zero feedback from anyone on that thread from maintainers. If you are one of the maintainers - it might be good to write this comment on that thread instead of HN * - I unders…

My team of 10 use it extensively for local testing of our stack. None of us have seen the CPU issue.

Re: Docker for Mac with Kubernetes

#65

Post by linkmotif »

tedmiston wrote: post #61
linkmotif wrote: post #55

So confused by all the posts from people who say they run Swarm because kubernetes is too complicated or is only for huge deployments. I’ve had all sort of difficulties installing Docker. By hand it’s not trivial to get a secure install. Docker machine is great except it’s often broken. The Docker machine dev team is a tired, understaffed bunch that’s always playing a sisyphean whack-a-mole against dozens of cloud pr…

Do you really find k8s useful for a single node deployment or were you just making an example? I haven't used but I have used DC/OS, Mesos, and Marathon extensively, which is not a setup I'd do for a small number of nodes personally.

Yes. Though I should emphasize that I'm using GKE. So it's zero config, zero ops. I am running a single n1-standard-2 node on GKE for a smallish app right now. Comes to 30-40 dollars a month all in (egress traffic, cloud storage, other services). I am working hard on getting people to use this app, and it's great to know that scaling will be best-in-class if I succeed.

But I stress it's not about the scaling. It's about the features even at a single node. I wouldn't be spending time writing this stuff had it not been revelatory for me.

PS. If you're not able to try it on GKE, there's also https://github.com/kubernetes/kops. GKE is great for trying, at least, though. Just get a cluster running and get rolling with the concepts. Then you'll know what it's all about. There isn't that much to it, and what there is to it is great and well documented with a great community.

Re: Docker for Mac with Kubernetes

#67

Post by linkmotif »

dominotw wrote: post #60
linkmotif wrote: post #55

So confused by all the posts from people who say they run Swarm because kubernetes is too complicated or is only for huge deployments. I’ve had all sort of difficulties installing Docker. By hand it’s not trivial to get a secure install. Docker machine is great except it’s often broken. The Docker machine dev team is a tired, understaffed bunch that’s always playing a sisyphean whack-a-mole against dozens of cloud pr…

GKE=Google cloud? I don't understand ur comment, yea using something in preinstalled in the cloud is easier than installing something on your own.

Docker isn't easy to install (see my OP). Kubernetes is probably more difficult to install, but it's not more expensive to use GKE than to roll your own Kubernetes elsewhere. And once you understand Kubernetes from a user perspecitve, it's easier to set up on your own.

Re: Docker for Mac with Kubernetes

#69

Post by LaGrange »

linkmotif wrote: post #55

So confused by all the posts from people who say they run Swarm because kubernetes is too complicated or is only for huge deployments. I’ve had all sort of difficulties installing Docker. By hand it’s not trivial to get a secure install. Docker machine is great except it’s often broken. The Docker machine dev team is a tired, understaffed bunch that’s always playing a sisyphean whack-a-mole against dozens of cloud pr…

"Kubernetes on the other hand is trivial with GKE."

Yes, true, but that's apple vs oranges. Swarm doesn't compete against GKE, it competes against Kubeadm. Because sometimes one actually can't or won't use cloud services.

Re: Docker for Mac with Kubernetes

#70

Post by LaGrange »

tedmiston wrote: post #61
linkmotif wrote: post #55

So confused by all the posts from people who say they run Swarm because kubernetes is too complicated or is only for huge deployments. I’ve had all sort of difficulties installing Docker. By hand it’s not trivial to get a secure install. Docker machine is great except it’s often broken. The Docker machine dev team is a tired, understaffed bunch that’s always playing a sisyphean whack-a-mole against dozens of cloud pr…

Do you really find k8s useful for a single node deployment or were you just making an example? I haven't used but I have used DC/OS, Mesos, and Marathon extensively, which is not a setup I'd do for a small number of nodes personally.

I've found that both Swarm and k8s - but _especially_ the latter - makes the day-to-day application deployment really smooth compared to almost anything I used before (git-deploy, fabric, rsyncing things around). Docker containers are a large part of that, of course, but the tooling and configuration/secret handling help as well.
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